Read the following statements related to mechanism of breathing and select the correct options given
below
i) In inspiration Diaphragm becomes Flat
ii) External intercostal muscles contract during Expiration
iii) Internal intercostal and Abdominal muscles are muscles of Expiration
iv) In Inspiration foul air (CO2) is expelled our from lungs
1) i and iv are correct
2) i and ii are correct
3) iii and iv are incorrect
4) ii and iv are incorrect
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Answer:
It is fourth.
Explanation:
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